Kimray 212 SMT PBT Mode d'emploi

PISTON BALANCED

THROTTLING

Repair Manual

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PISTON BALANCED THROTTLING REPAIR MANUAL

INDEX

Introduction .................................................................................................... 1

Elastomer Materials ....................................................................................... 2

Repair Kit Contents ........................................................................................ 3

Disassembly: Topworks Pressure Opens ..................................................... 5

Disassembly: Topworks Pressure Close ....................................................... 7

Disassembly: Piston & Body ......................................................................... 9

Cleaning & Inspection ................................................................................. 11

Assembly: Piston & Body ............................................................................ 13

Assembly: Topworks Pressure Opens ........................................................ 15

Assembly: Topworks Pressure Close ......................................................... 17

Testing ......................................................................................................... 19

NOTE: We reserve the right to modify or change, without prior

notice, any statement or information contained herein. If exact

dimensions or specifications are required by the customer

certified prints will be furnished for a minimum charge upon

request to KIMRAY, Inc.

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PISTON BALANCED THROTTLING REPAIR MANUAL

INTRODUCTION

SCOPE

This repair manual contains information concerning the Piston Balanced Throttling Pressure Open/

Pressure Close low pressure motor valve. Included are detailed instructions regarding disassembly, repair,

assembly and testing.

DESCRIPTION

The PBT-PO/PC is a diaphragm operated motor valve designed to control or pressure in liquid or gas sys-

tems up to 400 psig with 15 to 30 psig pneumatic actuating signal. The piston balanced throttling motor valve

be used as oil or water dump valve, and for throttling service in back pressure or pressure reducing applica-

tions when installed with pressure pilots.

MAINTENANCE

Maintenance should be performed on a regular basis. Initial interval of 12 months is recommended. The

maintenance interval may increase or decrease depending on changing application environments.

WARNING

Before performing any service to regulator verify all system pressures are bled-off or pilot is properly iso-

lated and de-pressurized.

GENERAL SPECIFICATIONS

Working Pressures 125-300 Hydrostatic Test: ANSI B16.37

Body materials Grey Iron ASTM A48-94a Class 20

Ductile Iron ASTM A395 Class 65-45-12

Steel ASTM A216 WCB

Bonnet Materials Grey Iron ASTM A48-94a Class 20

Ductile Iron ASTM A395 Class 65-45-12

Steel ASTM A216 WCB

Body Types Thru

Connection Types Screw, Flange

Elastomers Buna-N (Nitrile)

To get the long service you have come to expect from Kimray products, always use GENUINE KIMRAY

PARTS when doing repairs. Remember, parts made to less than Kimray specifications don’t save you

money!!!

ENG-002.13 Issued 6/20

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PISTON BALANCED THROTTLING REPAIR MANUAL

ELASTOMER MATERIALS

TEMPERATURE:

-10° to +350° F

-23° to +177° C

APPLICATION:

Crude Oil & Gas Production, Glycol Dehydrators,

Gasoline, Jet Fuel & Diesel Fuel Pumping, Water Disposal,

Methanol Injection Pumps. (Also Vacuum Service) (Gas

permeability is very low)

FLUID / GAS:

Crude Oil & Gas, Sour Gas (C02), Propane, Gasoline,

Diesel, Fuel Oil Systems

DO NOT USE WITH:

Hot Water, Not preferred for wet H2S, Methyl Alcohol,

Amines, Sodium hydroxide solutions

TEMPERATURE:

-65° to +300° F

-54° to +148° C

APPLICATION:

Steam Flood

FLUID / GAS:

Steam, Water, Alcohol

DO NOT USE WITH:

Crude Oil & Gas, Diester Lubricants (Lube Oils)

TEMPERATURE:

-40° to +220° F

-40° to +104° C

APPLICATION:

High abrasion resistance Seats, Diaphragms

FLUID / GAS:

Crude Oil gas and Water, Sour Gas (C02), propane,

butane, fuel, mineral oil and grease

TEMPERATURE:

±0° to +300° F

-17° to +149° C

APPLICATION:

Production Heaters, Thermostats

FLUID / GAS:

Crude Oil & Gas at High Temperature

DO NOT USE WITH:

Alcohol, Glycols

TEMPERATURE:

+30° to +500° F

0° to +260° C

APPLICATION:

Crude Oil & Gas Production (High heat), Steam

Flood Production Chemicals (corrosion inhibitors) Amine

Sweetener Systems, Gasoline, Diesel, Fuel Oil Systems

FLUID / GAS:

Crude Oil & Gas Production, H2S, Steam, Petroleum

fluids, Sea Water

TEMPERATURE:

-15° to +300° F

-26° to +149° C

APPLICATION:

Crude Oil & Gas Production w/ H2S C02

FLUID / GAS:

Crude Oil & Gas H2S, C02, Sea Water

TEMPERATURE:

Buna-N:

-40° to +220° F

-40° to +105° C

Low-Temp:

-85° to +120° F

-65° to +49° C

APPLICATION:

Crude Oil & Gas Production Glycol Dehydrators,

Gasoline, Jet Fuel & Diesel Fuel Pumping, Water Disposal,

Methanol Injection Pumps, Water pump seals, hydraulic

pump seals

FLUID / GAS:

Crude Oil & Gas, Good to Poor in Sour Production (See

HSN), Water, Glycols, Hydraulic Oils, Resistance to crude

oil in the presence of hydrogen sulfide and amines, Diesel

fuel, fuel oils

DO NOT USE WITH:

Aromatic hydrocarbons, chlorinated hydrocarbons,

phosphate esters (hydraulic fluids)

TEMPERATURE:

-350° to +500° F

APPLICATION:

High heat, high chemical resistance, highly resistance

to gas permeation

AFLAS ® is a trade mark of Asahi Glass Co VITON ®is a trade mark of Dupont

ETHYLENE PROPYLENE

POLYURETHANE

GYLON

POLYACRYLATE

HSN (Highly Saturated Nitrile)

NITRILE

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PISTON BALANCED THROTTLING REPAIR MANUAL

REPAIR KIT CONTENTS

NOTE:

Always check fastener tightness prior to valve installation,

testing, and use, as fasteners have the potential to loosen

in transit. This is recommended to ensure your safety and

proper valve function.

*Kimray assembly torque method at right*

Four Bolt

Six Bolt

Eight Bolt

Sixteen Bolt

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PISTON BALANCED THROTTLING REPAIR MANUAL

NOTES

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PISTON BALANCED THROTTLING REPAIR MANUAL

DISASSEMBLY PRESSURE OPEN

STEP 1

Bonnet

Wrench loose the breather plug and set

aside (Fig. 1.0).

Using a back-up, wrench loose and

remove the nuts/bolts attaching the bon-

net to the yoke (Fig. 1.1).

Remove the bonnet and set a side

(Fig. 1.2).

Remove the spring and set aside

(Fig. 1.3).

STEP 2

Lower Housing

Wrench loose the bolts attaching the yoke

to the body (Fig. 2.0).

Remove the entire assembly from the

valve body (Fig. 2.1).

Using a back-up on the ratio plug nut,

wrench loose the nut holding the dia-

phragm plate in place (Fig. 2.2).

Remove the diaphragm plate (Fig. 2.3).

Remove the diaphragm and discard

(Fig. 2.4).

Remove the lower diaphragm plate

(Fig. 2.5).

Figure 1.0 Figure 1.1

Figure 1.2 Figure 1.3

Figure 2.0 Figure 2.1

Figure 2.2 Figure 2.3

Figure 2.4 Figure 2.5

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PISTON BALANCED THROTTLING REPAIR MANUAL

DISASSEMBLY PRESSURE OPEN

Remove the lower housing from the piston

assembly (Fig. 2.6).

Remove the gasket from the bottom of the

lower housing and discard (Fig. 2.7).

Figure 2.6 Figure 2.7

STEP 1

Bonnet

Remove the travel indicator, replace if

acrylic housing is opaque or cracked

(Fig. 1.0).

Inspect indicator stem and replace as

needed (Fig. 1.1).

Remove housing gasket and discard

(Fig. 1.2).

Remove the spring and set aside

(Fig. 1.3).

Wrench loose breather plug and set aside

(Fig. 1.4).

Wrench loose the nuts and bolts attach-

ing the bonnet to the lower housing and

remove (Fig. 1.5).

Remove the bonnet and set aside for

cleaning and inspection (Fig. 1.6).

Remove the diaphragm (Fig. 1.7).

Remove the diaphragm plate (Fig. 1.8).

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PISTON BALANCED THROTTLING REPAIR MANUAL

DISASSEMBLY PRESSURE CLOSE

Figure 1.0 Figure 1.1

Figure 1.2 Figure 1.3

Figure 1.4

Figure 1.5 Figure 1.6

Figure 1.7 Figure 1.8

Remove the diaphragm plate and set

aside for inspection and cleaning

(Fig. 1.9).

Remove the spring and set aside for

inspection and cleaning (Fig. 1.10).

STEP 2

LOWER HOUSING

Wrench loose the bolts that attach the

lower housing to the body (Fig. 2.0).

Remove bolts and set aside for inspection

and cleaning (Fig. 2.1).

Remove lower housing from the body

(Fig. 2.2)

Remove housing gasket and discard

(Fig. 2.3).

Remove piston assembly from the body

(Fig. 2.4)

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PISTON BALANCED THROTTLING REPAIR MANUAL

DISASSEMBLY PRESSURE OPEN

Figure 1.9 Figure 1.10

Figure 2.0 Figure 2.1

Figure 2.2 Figure 2.3

Figure 2.4

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